<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .active{
            border: 2px solid blue;
            border-radius: 5px;
        }
    </style>
</head>
<body>
    <script src="./vue.js"></script>
    <div id="app">
        <h3 v-bind:title="'title' + '切换图片'">切换图片</h3>
        <img v-bind:src="img" width="100" height="100" v-bind:class="{active:isActive}">
        <p v-bind:style="{ color: textColor, fontSize: fontSize + 'px' }">This is a paragraph.</p>
        <button @click="toggleActive">切换</button>
    </div>
    <script>
        const compApp = Vue.createApp({
            data(){
                return{
                    title: "切换图片注释",
                    img: './1.jpeg',
                    textColor: 'red',
                    fontSize: 16,
                    isActive: false,
                }
            },
            methods:{
                toggleActive(){
                    this.isActive=!this.isActive;
                }
            }
        }).mount('#app');
    </script>
</body>
</html>